Re: Question about Oracle compatibility
От | Don Baccus |
---|---|
Тема | Re: Question about Oracle compatibility |
Дата | |
Msg-id | 3.0.1.32.20001127104727.01b3a100@mail.pacifier.com обсуждение исходный текст |
Ответ на | Re: Question about Oracle compatibility (Tom Lane <tgl@sss.pgh.pa.us>) |
Список | pgsql-hackers |
At 12:44 PM 11/27/00 -0500, Tom Lane wrote: >Mario Weilguni <mweilguni@sime.com> writes: >> In Oracle, empty strings and null are basicly the same, > >Are you sure about that? It'd be a pretty major failure to comply with >SQL standard semantics, if so. Thought you'd get a kick out of this: Connected to: Oracle8i Enterprise Edition Release 8.1.6.1.0 - Production With the Partitioning option JServer Release 8.1.6.0.0 - Production SQL> create table fubar(some_string varchar(1000)); Table created. SQL> insert into fubar values(''); 1 row created. SQL> select count(*) from fubar where some_string is null; COUNT(*) ---------- 1 SQL> - Don Baccus, Portland OR <dhogaza@pacifier.com> Nature photos, on-line guides, Pacific Northwest Rare Bird Alert Serviceand other goodies at http://donb.photo.net.
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